ayon-core/pype/plugins/nuke/load/load_luts.py

336 lines
11 KiB
Python

from avalon import api, style, io
import nuke
import json
from collections import OrderedDict
class LoadLuts(api.Loader):
"""Loading colorspace soft effect exported from nukestudio"""
representations = ["lutJson"]
families = ["lut"]
label = "Load Luts - nodes"
order = 0
icon = "cc"
color = style.colors.light
ignore_attr = ["useLifetime"]
def load(self, context, name, namespace, data):
"""
Loading function to get the soft effects to particular read node
Arguments:
context (dict): context of version
name (str): name of the version
namespace (str): asset name
data (dict): compulsory attribute > not used
Returns:
nuke node: containerised nuke node object
"""
# import dependencies
from avalon.nuke import containerise
# get main variables
version = context['version']
version_data = version.get("data", {})
vname = version.get("name", None)
first = version_data.get("frameStart", None)
last = version_data.get("frameEnd", None)
workfile_first_frame = int(nuke.root()["first_frame"].getValue())
namespace = namespace or context['asset']['name']
colorspace = version_data.get("colorspace", None)
object_name = "{}_{}".format(name, namespace)
# prepare data for imprinting
# add additional metadata from the version to imprint to Avalon knob
add_keys = ["frameStart", "frameEnd", "handleStart", "handleEnd",
"source", "author", "fps"]
data_imprint = {"frameStart": first,
"frameEnd": last,
"version": vname,
"colorspaceInput": colorspace,
"objectName": object_name}
for k in add_keys:
data_imprint.update({k: version_data[k]})
# getting file path
file = self.fname.replace("\\", "/")
# getting data from json file with unicode conversion
with open(file, "r") as f:
json_f = {self.byteify(key): self.byteify(value)
for key, value in json.load(f).iteritems()}
# get correct order of nodes by positions on track and subtrack
nodes_order = self.reorder_nodes(json_f["effects"])
# adding nodes to node graph
# just in case we are in group lets jump out of it
nuke.endGroup()
GN = nuke.createNode("Group")
GN["name"].setValue(object_name)
# adding content to the group node
with GN:
pre_node = nuke.createNode("Input")
pre_node["name"].setValue("rgb")
for ef_name, ef_val in nodes_order.items():
node = nuke.createNode(ef_val["class"])
for k, v in ef_val["node"].items():
if k in self.ignore_attr:
continue
try:
node[k].value()
except NameError as e:
self.log.warning(e)
continue
if isinstance(v, list) and len(v) > 4:
node[k].setAnimated()
for i, value in enumerate(v):
if isinstance(value, list):
for ci, cv in enumerate(value):
node[k].setValueAt(
cv,
(workfile_first_frame + i),
ci)
else:
node[k].setValueAt(
value,
(workfile_first_frame + i))
else:
node[k].setValue(v)
node.setInput(0, pre_node)
pre_node = node
output = nuke.createNode("Output")
output.setInput(0, pre_node)
# try to find parent read node
self.connect_read_node(GN, namespace, json_f["assignTo"])
GN["tile_color"].setValue(int("0x3469ffff", 16))
self.log.info("Loaded lut setup: `{}`".format(GN["name"].value()))
return containerise(
node=GN,
name=name,
namespace=namespace,
context=context,
loader=self.__class__.__name__,
data=data_imprint)
def update(self, container, representation):
"""Update the Loader's path
Nuke automatically tries to reset some variables when changing
the loader's path to a new file. These automatic changes are to its
inputs:
"""
from avalon.nuke import (
update_container
)
# get main variables
# Get version from io
version = io.find_one({
"type": "version",
"_id": representation["parent"]
})
# get corresponding node
GN = nuke.toNode(container['objectName'])
file = api.get_representation_path(representation).replace("\\", "/")
name = container['name']
version_data = version.get("data", {})
vname = version.get("name", None)
first = version_data.get("frameStart", None)
last = version_data.get("frameEnd", None)
workfile_first_frame = int(nuke.root()["first_frame"].getValue())
namespace = container['namespace']
colorspace = version_data.get("colorspace", None)
object_name = "{}_{}".format(name, namespace)
add_keys = ["frameStart", "frameEnd", "handleStart", "handleEnd",
"source", "author", "fps"]
data_imprint = {"representation": str(representation["_id"]),
"frameStart": first,
"frameEnd": last,
"version": vname,
"colorspaceInput": colorspace,
"objectName": object_name}
for k in add_keys:
data_imprint.update({k: version_data[k]})
# Update the imprinted representation
update_container(
GN,
data_imprint
)
# getting data from json file with unicode conversion
with open(file, "r") as f:
json_f = {self.byteify(key): self.byteify(value)
for key, value in json.load(f).iteritems()}
# get correct order of nodes by positions on track and subtrack
nodes_order = self.reorder_nodes(json_f["effects"])
# adding nodes to node graph
# just in case we are in group lets jump out of it
nuke.endGroup()
# adding content to the group node
with GN:
# first remove all nodes
[nuke.delete(n) for n in nuke.allNodes()]
# create input node
pre_node = nuke.createNode("Input")
pre_node["name"].setValue("rgb")
for ef_name, ef_val in nodes_order.items():
node = nuke.createNode(ef_val["class"])
for k, v in ef_val["node"].items():
if k in self.ignore_attr:
continue
try:
node[k].value()
except NameError as e:
self.log.warning(e)
continue
if isinstance(v, list) and len(v) > 3:
node[k].setAnimated()
for i, value in enumerate(v):
if isinstance(value, list):
for ci, cv in enumerate(value):
node[k].setValueAt(
cv,
(workfile_first_frame + i),
ci)
else:
node[k].setValueAt(
value,
(workfile_first_frame + i))
else:
node[k].setValue(v)
node.setInput(0, pre_node)
pre_node = node
# create output node
output = nuke.createNode("Output")
output.setInput(0, pre_node)
# try to find parent read node
self.connect_read_node(GN, namespace, json_f["assignTo"])
# get all versions in list
versions = io.find({
"type": "version",
"parent": version["parent"]
}).distinct('name')
max_version = max(versions)
# change color of node
if version.get("name") not in [max_version]:
GN["tile_color"].setValue(int("0xd84f20ff", 16))
else:
GN["tile_color"].setValue(int("0x3469ffff", 16))
self.log.info("udated to version: {}".format(version.get("name")))
def connect_read_node(self, group_node, asset, subset):
"""
Finds read node and selects it
Arguments:
asset (str): asset name
Returns:
nuke node: node is selected
None: if nothing found
"""
search_name = "{0}_{1}".format(asset, subset)
node = [n for n in nuke.allNodes() if search_name in n["name"].value()]
if len(node) > 0:
rn = node[0]
else:
rn = None
# Parent read node has been found
# solving connections
if rn:
dep_nodes = rn.dependent()
if len(dep_nodes) > 0:
for dn in dep_nodes:
dn.setInput(0, group_node)
group_node.setInput(0, rn)
group_node.autoplace()
def reorder_nodes(self, data):
new_order = OrderedDict()
trackNums = [v["trackIndex"] for k, v in data.items()]
subTrackNums = [v["subTrackIndex"] for k, v in data.items()]
for trackIndex in range(
min(trackNums), max(trackNums) + 1):
for subTrackIndex in range(
min(subTrackNums), max(subTrackNums) + 1):
item = self.get_item(data, trackIndex, subTrackIndex)
if item is not {}:
new_order.update(item)
return new_order
def get_item(self, data, trackIndex, subTrackIndex):
return {key: val for key, val in data.items()
if subTrackIndex == val["subTrackIndex"]
if trackIndex == val["trackIndex"]}
def byteify(self, input):
"""
Converts unicode strings to strings
It goes trought all dictionary
Arguments:
input (dict/str): input
Returns:
dict: with fixed values and keys
"""
if isinstance(input, dict):
return {self.byteify(key): self.byteify(value)
for key, value in input.iteritems()}
elif isinstance(input, list):
return [self.byteify(element) for element in input]
elif isinstance(input, unicode):
return input.encode('utf-8')
else:
return input
def switch(self, container, representation):
self.update(container, representation)
def remove(self, container):
from avalon.nuke import viewer_update_and_undo_stop
node = nuke.toNode(container['objectName'])
with viewer_update_and_undo_stop():
nuke.delete(node)